package com.ujn.demo.service;

import com.ujn.demo.model.TbOsdModel;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.springframework.web.multipart.MultipartFile;

import java.util.List;
import java.util.Map;

public interface OsdService {

    /**
     * @description 导入excel
     * @author sunjx
     * @date 2020/9/1 14:00
     * @param file
     * @return java.util.Map<java.lang.String,com.ujn.demo.model.TbOsdModel>
     **/
    Map<String, TbOsdModel> importExcel(MultipartFile file);

    HSSFWorkbook exportExcel();
}
